Google AdSense switching to first-price auctions as part of continued simplification


Google today informed users and ad buyers alike that AdSense for Content, Video, and Games is switching to first-price auctions in the coming months.
AdSense previously used a sealed-bid second-price auction for buyers wanting to purchase ad space. It involved the winner — who offered the most — only paying the amount of the second-highest bid.
Over time, many ad selling platforms in the display advertising ecosystem, including Google Ad Manager and Google AdMob, switched their auction to first-price. In a first-price auction, the final price reflects the winning bid.
AdSense is now following and adopting a first-price auction to “help advertisers by simplifying how they buy online ads.” In doing so, Google says it is “aligning our process with other ad selling platforms in the display advertising ecosystem,” including its own Ad Manager and AdMob. However, this upcoming move does not impact AdSense for Search or Shopping.
We believe this will help grow advertiser spending confidence in digital advertising and an increase in spending confidence over time will benefit publishers (that’s you).

End users were emailed today and told they will “likely not see a change in [their] earnings.” There will also be no changes to ad formats. The transition is automatic, and will be completed by the end of this year.
Due to the dynamic auction environment, we cannot predict how specific AdSense publishers will be impacted. But, on average we expect the impact to AdSense publishers’ earnings overall from the move to a first-price auction to be neutral. When Ad Manager moved to a first-price auction, there was a neutral to slightly positive impact to publisher earnings on average.

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